str.scss

str.scss

str.scss - set of functions that helps to manipulate strings.

---

Important updates in v. 1.2

str-to-uppercase alias function is renamed to str-to-upper-case
srt-to-lowercase alias function is renamed to str-to-lower-case

Please update your code

Install

NPM

npm install str.scss

Gist

Github Gist with all str.scss functions in one file.

Usage

@import "~node_modules/str.scss/str";

$section-name: 'Hello World';

.#{str-to-lowercase(str-replace($section-name, ' ', '-'))} {
    &__title {
        &::after {
            content: str-to-uppercase($section-name)
        }
    }
}

Compiled to

            .hello-world__title:after {
                content: "HELLO WORLD";
            }

Functions

• str-chars Returns SCSS list with all string characters.
• str-char-at Returns character from input string at provided index
• str-split Returns an array of strings by separating the string into substrings
• str-join Returns input list converted to a string
• str-to-swapcase Returns a copy of the string in which all the case-based characters have had their case swapped.
• str-replace Returns copy of input string where defined substring replaced by $replace argument
• str-bulk-replace Returns copy of input string where defined substrings replaced by $replace argument
• str-include Returns boolean result of check if string contains a substring.
• str-count Returns number of occurrences of substring in string.
• str-first-index Returns first index of substring in provided string
• str-last-index Returns last index of substring in provided string
• str-capitalize Returns string with capitalized first letter
• str-decapitalize Returns string with decapitalized first letter
• str-reverse Returns reversed string.
• str-trim Returns trimmed string
• str-ltrim Returns string with removed leading characters.
• str-rtrim Returns string with removed trailing characters.
• str-clean Returns trimmed string with multiply spaces replaced with single space
• str-is-blank Returns true if string is empty or contains whitespaces only
• str-starts-with Returns true if string starts with provided substring
• str-ends-with Returns true if string ends with provided substring
• str-repeat Returns input string repeated provided number of times

Aliases

• str-to-upper-case Returns the calling string value converted to uppercase
• str-to-lower-case Returns the calling string value converted to lowercase
• str-quote Returns $input-string as quoted string
• str-unique-id Returns a randomly-generated unquoted string
• str-unquote Returns $input-string as unquoted string

---

Global settings

$str-scss-strong-type-check: boolean

Dafault: false
Required: false

Use $str-scss-strong-type-check: true; to crash compilation each time when any str.scss function is provided with argument with wrong type.

Example

$str-scss-strong-type-check: false;

@debug str-capitalize('hello wold');
// => Hello wold
@debug str-capitalize(123);
// => 123

$str-scss-strong-type-check: true;

@debug str-capitalize('hello wold');
// => Hello wold
@debug str-capitalize(123);
// => Error: "[str.scss] [str-capitalize] `123` must be of type `string`, got `number`."

Functions

str-chars($input-string) => list

Returns SCSS list with all string characters.

Argument	Type	Required	Default
input-string	string	+	-

return list

Example

@debug str-chars('Hello world');
// => ("H" "e" "l" "l" "o" " " "w" "o" "r" "l" "d")

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns ().

---

str-char-at($input-string, $index) => string

Returns character from input string at provided index

Argument	Type	Required	Default
input-string	string	+	-
index	number	+	-

return string

Example

@debug str-char-at('Hello World', 2);
// => "e"
@debug str-char-at('Hello World', -4);
// => "o"

Errors handling

Arguments to be checked: $input-string, $index.

In case of error and $str-scss-strong-type-check is set to false function returns ''.

---

str-split($input-string[, $separator]) => list

Returns an array of strings by separating the string into substrings

Argument	Type	Required	Default
input-string	string	+	-
separator	string	-	' '

return list

Example

@debug str-split('Hello World');
// => ("Hello" "World")
@debug str-split('Hello World, Hello World', ', ');
// => ("Hello World" "Hello World")

Errors handling

Arguments to be checked: $input-string, $separator.

In case of error and $str-scss-strong-type-check is set to false function returns ().

---

str-join($input-list[, $separator]) => string

Returns input list converted to a string

Argument	Type	Required	Default
input-list	list	+	-
separator	string	-	''

return string

Example

@debug str-join((1, '. ', 'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd'));
// => "1. Hello World"
@debug str-join(('a', 'b', 'c'), '*');
// => "a*b*c"

Errors handling

Arguments to be checked: $input-list, $separator.

In case of error and $str-scss-strong-type-check is set to false function returns ''.

---

str-to-swapcase($input-string) => string

Returns a copy of the string in which all the case-based characters have had their case swapped.

Argument	Type	Required	Default
input-string	string	+	-

return string

Example

@debug str-to-swapcase('hELLO wORLD');
// => "Hello World"

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-replace($input-string, $substring[, $replace, $g]) => string

Returns copy of input string where defined substring replaced by $replace argument

Argument	Type	Required	Default
input-string	string	+	-
substring	string	+	-
replace	string	-	''
g	boolean	-	true

return string

Example

@debug str-replace('Hello world', 'l');
// => "Heo word"
@debug str-replace('Hello world', 'l', $g: false);
// => "Helo world"
@debug str-replace('Hello world', 'Hello', 'Privet');
// => "Privet world"

Errors handling

Arguments to be checked: $input-string, $substring, $replace.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-bulk-replace($input-string, $substrings[, $replace, $g]) => string

Returns copy of input string where defined substrings replaced by $replace argument

Argument	Type	Required	Default
input-string	string	+	-
substrings	list	+	-
replace	string	-	''
g	boolean	-	true

return string

Example

@debug str-bulk-replace('Hello world', ('l', 'o'), '*');
// => "He*** w*r*d"
@debug str-bulk-replace('Hello world', ('l', 'o'), $g: false);
// => "Hel world"
@debug str-bulk-replace('Hello To The mir', ('Hello', 'To The'), 'Privet');
// => "Privet Privet mir"

Errors handling

Arguments to be checked: $input-string, $substrings, $replace.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-include($input-string, $substring) => boolean

Returns boolean result of check if string contains a substring.

Argument	Type	Required	Default
input-string	string	+	-
substring	string	+	-

return boolean

Example

@debug str-include('Hello World', 'lo');
// => true

Errors handling

Arguments to be checked: $input-string, $substring.

In case of error and $str-scss-strong-type-check is set to false function returns null.

---

str-count($input-string, $substring) => number

Returns number of occurrences of substring in string.

Argument	Type	Required	Default
input-string	string	+	-
substring	string	+	-

return number

Example

@debug str-count('Hello World', 'z');
// => 0
@debug str-count('Hello World', 'l');
// => 3
@debug str-count('Hello World', 'ello');
// => 1

Errors handling

Arguments to be checked: $input-string, $substring.

In case of error and $str-scss-strong-type-check is set to false function returns 0.

---

str-first-index($input-string, $substring) => number

Returns first index of substring in provided string

Argument	Type	Required	Default
input-string	string	+	-
substring	string	+	-

return number

Example

@debug str-first-index('Hello World', 'l');
// => 3
@debug str-first-index('Hello World', 'z');
// => null

Errors handling

Arguments to be checked: $input-string, $substring.

In case of error and $str-scss-strong-type-check is set to false function returns null.

---

str-last-index($input-string, $substring) => number

Returns last index of substring in provided string

Argument	Type	Required	Default
input-string	string	+	-
substring	string	+	-

return number

Example

@debug str-last-index('Hello World', 'l');
// => 10
@debug str-last-index('Hello World', 'z');
// => null

Errors handling

Arguments to be checked: $input-string, $substring.

In case of error and $str-scss-strong-type-check is set to false function returns null.

---

str-capitalize($input-string[, $lowercase-rest]) => string

Returns string with capitalized first letter

Argument	Type	Required	Default
input-string	string	+	-
lowercase-rest	boolean	-	false

return string

Example

@debug str-capitalize('hello Wold');
// => "Hello Wold"
@debug str-capitalize('hELLO WORLD', true);
// => "Hello world"

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-decapitalize($input-string) => string

Returns string with decapitalized first letter

Argument	Type	Required	Default
input-string	string	+	-

return string

Example

@debug str-decapitalize('Hello World');
// => "hello World"

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-reverse($input-string) => string

Returns reversed string.

Argument	Type	Required	Default
input-string	string	+	-

return string

Example

@debug str-reverse('Hello World');
// => "dlroW olleH"

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-trim($input-string[, $trim-chars]) => string

Returns trimmed string

Argument	Type	Required	Default
input-string	string	+	-
trim-chars	string	-	' '

return string

Example

@debug str-trim(' Hello World ');
// => "Hello World"
@debug str-trim(' -_ Helllo World _- ', '- _');
// => "Hello World"

Errors handling

Arguments to be checked: $input-string, $trim-chars.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-ltrim($input-string[, $trim-chars]) => string

Returns string with removed leading characters.

Argument	Type	Required	Default
input-string	string	+	-
trim-chars	string	-	' '

return string

Example

@debug str-ltrim(' Hello World ');
// => "Hello World "
@debug str-ltrim(' -_ Helllo World _- ', '- _');
// => "Helllo World _- "

Errors handling

Arguments to be checked: $input-string, $trim-chars.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-rtrim($input-string[, $trim-chars]) => string

Returns string with removed trailing characters.

Argument	Type	Required	Default
input-string	string	+	-
trim-chars	string	-	' '

return string

Example

@debug str-rtrim(' Hello World ');
// => " Hello World"
@debug str-rtrim(' -_ Helllo World _- ', '- _');
// => " -_ Helllo World"

Errors handling

Arguments to be checked: $input-string, $trim-chars.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-clean($input-string) => string

Returns trimmed string with multiply spaces replaced with single space

Argument	Type	Required	Default
input-string	string	+	-

return string

Example

@debug str-clean('  Hello  World   ');
// => "Hello World"

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-is-blank($input-string) => boolean

Returns true if string is empty or contains whitespaces only

Argument	Type	Required	Default
input-string	string	+	-

return boolean

Example

@debug str-is-blank('');
// => true
@debug str-is-blank(' ');
// => true
@debug str-is-blank('Hello World');
// => false

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns null.

---

str-starts-with($input-string, $substring[, $ignore-case]) => boolean

Returns true if string starts with provided substring

Argument	Type	Required	Default
input-string	string	+	-
substring	string	+	-
ignore-case	boolean	+	-

return boolean

Example

@debug str-starts-with('Hello World', 'Hel');
// => true
@debug str-starts-with('Hello World', 'hel');
// => false
@debug str-starts-with('Hello World', 'hel', true);
// => true

Errors handling

Arguments to be checked: $input-string, $substring.

In case of error and $str-scss-strong-type-check is set to false function returns null.

---

str-ends-with($input-string, $substring[, $ignore-case]) => boolean

Returns true if string ends with provided substring

Argument	Type	Required	Default
input-string	string	+	-
substring	string	+	-
ignore-case	boolean	-	false

return boolean

Example

@debug str-ends-with('Hello World', 'rld');
// => true
@debug str-ends-with('Hello World', 'RLD');
// => false
@debug str-ends-with('Hello World', 'RLD', true);
// => true

Errors handling

Arguments to be checked: $input-string, $substring.

In case of error and $str-scss-strong-type-check is set to false function returns null.

---

str-repeat($input-string[, $times, $separator]) => string

Returns input string repeated provided number of times

Argument	Type	Required	Default
input-string	string	+	-
times	number	-	1
separate-with	string	-	''

return string

Example

@debug str-repeat('Hello');
// => "Hello"
@debug str-repeat('Hello', 2);
// => "HelloHello"
@debug str-repeat('Hello', 2, ', ');
// => "Hello, Hello"

Errors handling

Arguments to be checked: $input-string, $times, $separator.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

Aliases

str-to-upper-case($input-string) => string

Returns the calling string value converted to uppercase

Alias for to-upper-case String SASS built-in function

Argument	Type	Required	Default
input-string	string	+	-

return string

Example

@debug str-to-upper-case('hello world');
// => "HELLO WORLD"

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-to-lower-case($input-string) => string

Returns the calling string value converted to lowercase

Alias for to-lower-case String SASS built-in function

Argument	Type	Required	Default
input-string	string	+	-

return string

Example

@debug str-to-lower-case('Hello World');
// => "hello world"

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-quote($input-string) => string

Returns $input-string as quoted string

Alias for quote String SASS built-in function

Argument	Type	Required	Default
input-string	string	+	-

return string

Example

@debug str-quote(Hello);
// => "Hello"

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.

---

str-unique-id() => string

Returns a randomly-generated unquoted string

Alias for unique-id String SASS built-in function

return string

Example

@debug str-unique-id();
// => e.g. "ufl6i52"

---

str-unquote($input-string) => string

Returns $input-string as unquoted string

Alias for unquote String SASS built-in function

Argument	Type	Required	Default
input-string	string	+	-

return string

Example

@debug str-unquote('.link:hover');
// => .link:hover

Errors handling

Arguments to be checked: $input-string.

In case of error and $str-scss-strong-type-check is set to false function returns $input-string.